If you can dream it, you can do it.
Without hard work, nothing grows but weeds.
Problems are not stop signs, they are guidelines.
If you've got a talent, protect it.
Expect problems and eat them for breakfast.
Go for it now. The future is promised to no one.
It's always too early to quit.
Be kind whenever possible. It is always possible.
To know oneself, one should assert oneself.
To be a good loser is to learn how to win.
I have taught history on the high school and college levels, and am or have been a lecturer at the Smithsonian, The National Institutes of Health, and numerous colleges and universities, mostly on science fiction and technology subjects.